Daoust Associates
Information Modeling and System Integration:
Consulting and Training
| Item | Value |
|---|---|
| Relation name | is type of |
| Synonym(s) | is subtype of |
| Definition (informal) | Every instance of the domain entity is also inherently an instance of the range entity |
| Definition (formal) | |
| Domain entity | is in same entity hierarchy as range entity |
| Range entity | immediately above the entity hierarchy of domain entity |
| Example(s) | lung cancer development is a type of cancer development; wine is a type of alcoholic beverage |
| Note | |
| Reverse relation name | has type |
| Reverse relation synonym(s) | has subtype, is supertype of |
| Reverse Example(s) | vehicle has type bicycle |
| Reverse Note | |
| Category | typehood |